Home / 10,146.80-15,219.88-6,015.12

Finding the Fourth Proportional to 10,146.80, 15,219.88 and 6,015.12

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Solution

The fourth proportional to 10,146.80, 15,219.88 and 6,015.12 is: 9,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.80 : 15,219.88 = 6,015.12 : x
  2. Step 2: Convert to fraction form
    10,146.80/15,219.88 = 6,015.12/x
  3. Step 3: Cross multiply
    10,146.80x = 15,219.88 × 6,015.12
  4. Step 4: Simplify right side
    10,146.80x = 91,549,404.59
  5. Step 5: Solve for x
    x = 91,549,404.59/10,146.80
  6. Step 6: Final answer
    x = 9,022.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.